si, conj. et adv.
1. conj.a. (HYPOTHÈSE) ac/ah, got. ak, v.h.a. oh, v.s. ak ♦ gi(e)f/gyf/ge(o)f/gib > a.m. if, got. iba(i), v.n. ef, v.h.a. ibu/oba/ube > all.m. ob ♦ he(o)nu/(he)ono/hona/onu/one/an(n)a/ane ♦ þā, v.h.a. dō, v.s. thō/thuo, v.fr. thā ♦ þǣr/þār(a)/þēr ♦ þē(a)h/þāh/þǣh > a.m. though, got. þau, v.n. þó, v.h.a. thoh/d(h)oh > all.m. doch, v.s. thoh, v.fr. thach. si ce n’est elcor/elcur/ælcor, v.n. ellar, v.h.a. elic(h)or/elihor.
b. (INTERROGATION INDIRECTE) ac ← ♦ hwæþer > a.m. whether, got. ƕaþar, v.n. hvaðarr/hvárr, v.h.a. hwedar/weder > all.m. weder, v.s. hweđar, v.fr. hweder ♦ hwæþer þe ♦ hwæþer þe…þe. si…ne pas hū ne nū. si…ou si hwæþer…þe ♦ sam…sam ♦ sam ge…sam ge ♦ sam þe…sam þe ♦ swā (hwæþer) swā…swā ♦ swæþer swā…swā.
2. adv. si+ adj. (tellement) swā > a.m. so, got. swa, v.n. svá, v.h.a. sō > all.m. so ♦ þæs. si + adj. que + prop. tō þæs + adj. þæt.